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  1. Neoh CF, Kong DC
    Expert Rev Pharmacoecon Outcomes Res, 2014 Jun;14(3):319-34.
    PMID: 24708054 DOI: 10.1586/14737167.2014.906306
    Hepatitis C virus (HCV) infection is costly to treat and, has high morbidity and mortality. The addition of new protease inhibitors (i.e., boceprevir, telaprevir), to the standard dual therapy with pegylated interferon-α and ribavirin, for the treatment of HCV infection has demonstrated superior efficacy with shorter treatment duration, but at higher drug acquisition costs and incidence of adverse events. Robust economic data are required to inform healthcare decision for the optimal use of these expensive antiviral agents. Accordingly, this review will explore the clinical and economic aspects of boceprevir-based treatment strategies. Important considerations, challenges and gaps for future pharmacoeconomic research in this setting are highlighted.
  2. Sui CF, Ming LC, Neoh CF, Ibrahim B
    PMID: 26316735 DOI: 10.2147/COPD.S84618
    Background: This study utilized a validated combination of a COPD Population Screener
    (COPD-PS) questionnaire and a handheld spirometric device as a screening tool for patients at high risk of COPD, such as smokers. The study aimed to investigate and pilot the feasibility and application of this combined assessment, which we termed the “VitalQPlus”, as a screening tool for the early detection of COPD, especially in primary care settings.
    Methods: This was a cross-sectional study screening potentially undiagnosed COPD patients using a validated five-item COPD-PS questionnaire together with a handheld spirometric device. Patients were recruited from selected Malaysian government primary care health centers.
    Results: Of the total of 83 final participants, only 24.1% (20/83) were recruited from Perak and Penang (peninsular Malaysia) compared to 75.9% (63/83) from Sabah (Borneo region). Our dual assessment approach identified 8.4% of the surveyed patients as having potentially undiagnosed COPD. When only the Vitalograph COPD-6 screening tool was used, 15.8% of patients were detected with a forced expiratory volume in 1 second/forced expiratory volume in 6 seconds (FEV1/FEV6) ratio at <0.75, while 35.9% of patients were detected with the COPD-PS questionnaire. These findings suggested that this dual assessment approach has a greater chance of identifying potentially undiagnosed COPD patients compared to the Vitalograph COPD-6 or COPD-PS questionnaire when used alone. Our findings show that patients with more symptoms (scores of >=5) yielded twice the percentage of outcomes of FEV1/FEV6 <0.75 compared to patients with fewer COPD symptoms (scores <5).
    Conclusion: With the availability of a simple screening questionnaire and the COPD-6, there is an opportunity easily to make patients more aware of their lung symptoms and to encourage the provision of early treatment. The proposed dual assessment approach, which we termed the VitalQPlus, may play a profound role in the early diagnosis of COPD, which is crucial in improving the clinical management of the disease.
    Keywords: spirometry, pulmonary function test, chronic obstructive pulmonary disease,
    airway obstruction
  3. Umirah F, Neoh CF, Ramasamy K, Lim SM
    Diabetes Res Clin Pract, 2021 Mar;173:108689.
    PMID: 33549678 DOI: 10.1016/j.diabres.2021.108689
    AIMS: This systematic review summarised the latest findings on differential composition of gut microbiota in T2DM.

    METHODS: Literature search was performed using electronic databases. Relevant studies were identified, extracted and assessed for risk of bias. The primary outcome of this systematic review was the composition of gut microbiota in healthy controls and T2DM while the secondary outcomes included the correlation of gut microbiota with metabolic parameters.

    RESULTS: Thirteen case-control studies involving 575 T2DM and 840 healthy controls were included. T2DM patients exhibited a marked increase in lactobacilli. Six studies found lactobacilli to predominate the gut of T2DM patients; however, this could be confounded by the types of antihyperglyacemic medications. Conversely, butyrate producers dominate the gut of healthy controls. In T2DM patients, butyrate producers were surprisingly higher in those taking metformin intake than those not taking the drug. Whilst lactobacilli were found to be higher with increased plasma glucose, conflicting correlations were observed between various genera and anthropometric measurements, dietary intake, lipid profiles and inflammatory markers. There were moderate to strong significant positive correlations between the class Clostridia and phylum Firmicutes with pro-inflammatory IFN-γ as well as between Negativicutes and IL-6.

    CONCLUSIONS: Altogether, butyrate-producing bacteria are negatively correlated to glycaemic parameters. Lactobacilli are higher in T2DM patients and Firmicutes is correlated with inflammation.

  4. Rosli MR, Wu DB, Neoh CF, Karuppannan M
    J Med Econ, 2021 5 15;24(1):730-740.
    PMID: 33989086 DOI: 10.1080/13696998.2021.1889573
    OBJECTIVE: Home medication review (HMR) programs could minimise patients' health-related costs and burdens, thereby enhancing the quality of life and well-being. The aim of this economic evaluation is to determine if home medication review by community pharmacists (HMR-CP) for patients with type 2 diabetes mellitus (T2DM) is a cost-effective intervention from the Malaysian healthcare provider perspective.

    METHODS: The economic evaluation was conducted alongside the randomised controlled trial (RCT) to estimate the intermediate cost-effectiveness of HMR-CP for patients with T2DM. A Markov model was then constructed to project the lifetime cost-effectiveness data beyond the RCT. The primary outcomes for the economic evaluation were HbA1c and quality-adjusted life-years (QALYs).

    RESULTS: The intervention and health services costs throughout the 6-month HMR-CP trial were RM121.45 (USD28.64) [95%CI: RM115.89 to 127.08 (USD27.33-29.97)] per participant. At a 6-month follow-up, a significant reduction in HbA1c of 0.902% (95% CI: 0.388% to 1.412%) was noted in the HMR-CP group compared to the control group. The ICER of HMR-CP intervention versus standard care was RM178.82 (USD 42.17) [95%CI: RM86.77-364.03 (USD20.46-85.86)] per reduction of HbA1c. HMR-CP intervention [RM12,764.82 (USD3010.57)] was associated with an incremental cost of RM83.34 (USD19.66) over control group [RM12,682.95 (USD2,991.26)] with an additional of 0.07 QALY gained. The ICER associated with HMR-CP intervention was RM1,190.57 (USD280.79) per QALY gained, which was below the ICER threshold in Malaysia, indicating that HMR-CP was a cost-effective option.

    CONCLUSION: HMR-CP was a cost-effective intervention that had significantly reduced the HbA1c among the T2DM patients, although associated with higher mean total costs per participant.

  5. Tan CS, Hassali MA, Neoh CF, Saleem F, Horne R
    Value Health Reg Issues, 2018 May;15:161-168.
    PMID: 29730249 DOI: 10.1016/j.vhri.2017.12.010
    BACKGROUND: Low rate of adherence was found strongly associated with patients' beliefs across the studies about chronic diseases with hypertension. A crucial move is needed to bridge the gap between appropriate assessment tools and local hypertensive patients' medication adherence.

    OBJECTIVE: To produce a translated version in Malay language of Beliefs about Medicines Questionnaire (BMQ) that was "conceptually equivalent" to the original English version for use in local clinical practice and research.

    METHODS: The forward translation process was conducted by two independent professional translators and back translation was done by two other independent translators. A reliability analysis was conducted on 238 conveniently selected hypertensive patients. Intraclass correlation coefficient (ICC) was used to assess test-retest reliability for the randomly selected 40 patients in a period of 2 weeks. Discriminant validity was tested through Necessity-Concerns differential, BMQ subscales, and other parameters.

    RESULTS: The overall Cronbach alpha for the internal consistency was good (0.860). The subscales of the BMQ demonstrated adequate internal consistency, with Cronbach alpha value of 0.759 for Specific-Necessity, 0.762 for Specific Concern, 0.624 for General-Overuse, and 0.756 for General-Harm. The ICC was excellent (0.922). Discriminant validity revealed that BMQ Specific-Necessity score was significantly inversely correlated with the systolic blood pressure level. Systolic and diastolic blood pressure levels (P = 0.038; P = 0.05) were reported to be significantly correlated with the Necessity-Concerns differential, with Necessity score equal or exceeding Concerns score.

    CONCLUSIONS: The Malay-translated version of BMQ is a reliable and valid tool to assess patient belief about medication, especially medication adherence among the hypertensive patients in Malaysia.
  6. Samah S, Ramasamy K, Lim SM, Neoh CF
    Diabetes Res Clin Pract, 2016 Jun 18;118:172-182.
    PMID: 27388674 DOI: 10.1016/j.diabres.2016.06.014
    AIMS: To systematically review evidence of probiotic interventions against type 2 diabetes mellitus (T2DM) and analyse the effects of probiotics on glycaemic control among T2DM patients.
    METHODS: Electronic search using five electronic databases was performed until October 2015. Relevant studies were identified, extracted and assessed for risk of bias. The primary outcomes of this review were glycated haemoglobin (HbA1c) and fasting blood glucose (FBG). Fasting plasma insulin, homeostasis model assessment-insulin resistance, C-reactive protein, interleukin-6 and malondialdehyde, were identified as the secondary outcomes. Mean differences (MD) between probiotics and control groups for all outcomes were pooled using either Fixed- or Random-Effect Model. Statistical heterogeneity was assessed using I(2) and Chi(2) tests.
    RESULTS: Six randomised controlled trials (RCTs) were included in the systematic review, whereas only five were included in meta-analysis. Most RCTs were presented with low or unclear risk of bias. When compared to placebo, FBG was significantly lower with probiotic consumption (MD=-0.98mmol/L; 95% CI: -1.17, 0.78, p<0.00001), with moderate but insignificant heterogeneity noted. Insignificant changes between the groups were also noted for HbA1c and other secondary outcomes.
    CONCLUSIONS: A moderate hypoglycaemic effect of probiotics, with a significantly lower FBG was noted. Findings on HbA1c, anti-inflammatory and anti-oxidative effects of probiotics in the clinical setting, however, remain inconsistent. The findings imply the need for well-designed clinical studies to further assess the potential beneficial effects of probiotics in management of T2DM.
    KEYWORDS: Glycaemic; Probiotics; Review; Type 2 diabetes mellitus
  7. Tan CS, Hassali MA, Neoh CF, Saleem F
    Pharm Pract (Granada), 2017 12 18;15(4):1074.
    PMID: 29317924 DOI: 10.18549/PharmPract.2017.04.1074
    Objective: This study aimed to explore hypertensive patients' perspectives on quality use of medication and issues related to hypertension management at the community level in Malaysia.

    Methods: Focus groups discussion was employed in this qualitative study. A total of 17 hypertensive patients were purposively recruited. Three focus group discussions with semi-structured interview were carried out at Flat Desa Wawasan, Penang. All the conversations were audio recorded, transcribed verbatim and thematically analysed.

    Results: Three major themes were developed, including medication adherence among hypertensive patients, self-management of hypertension and patients' knowledge towards hypertension. Poor medication adherence was found and different strategies were taken to overcome the barriers towards adherence. Use of herbal and traditional therapies was perceived as alternative method in controlling blood pressure instead of taking antihypertensive medication. The participants were found to have poor knowledge on side effect and mechanism of action of hypertensive medication.

    Conclusions: The misconception about the side effect of antihypertensive medication has led to poor adherence among the participants. Lack of knowledge on targeted blood pressure level has led to poor blood pressure monitoring among the participants. Health awareness program and counselling from health care professional should be advocated among the hypertensive patients in addressing the above gaps.

  8. Mohd Noordin Z, Neoh CF, Ibrahim Ghazali NH, Karuppannan M
    J Patient Exp, 2023;10:23743735231184690.
    PMID: 37424538 DOI: 10.1177/23743735231184690
    This study explored the factors contributing to discontinuation of people who smoke (PWS) from quit smoking clinic prior to achieving 6-month abstinence. Fifteen active PWS were interviewed via telephone and face-to-face. Interviews were audio-recorded, transcribed and analysed using thematic analysis. At individual level, low intrinsic motivation including unreadiness to quit, low self-efficacy and ambivalence on smoking cessation were barriers to attain successful cessation. Influence of extrinsic factors such as work-related factors, social interaction and ill-health burden lead to poor commitment with QSC. At the clinic level, healthcare professional's competency, personal attributes, pharmacotherapy's efficacy, safety and availability were important components that may affect a participant's effort to quit. Working commitment was highlighted as the primary barrier for a successful cessation. Hence, effective intervention and collaborative effort between healthcare facilities and employers are essential to optimise cessation adherence among employees who smoke which subsequently will enhance their abstinence rates.
  9. Neoh CF, Hassali MA, Shafie AA, Awaisu A, Tambyappa J
    Curr Drug Saf, 2009 Sep;4(3):199-203.
    PMID: 19534650
    Good medicine labelling practice is vital to ensure safe use of medicines. Non-compliance to labelling standards is a potential source of medication errors. This study was intended to evaluate and compare compliance towards labelling standard for dispensed medications between community pharmacists and general practitioners in Penang, Malaysia. A total of 128 community pharmacies and 26 general practitioners' clinics were visited. Using 'Simulated Client Method' (SCM), data were collected on the medications dispensed upon presentation of hypothetical common cold symptoms. The medications dispensed were evaluated for labelling adequacy. Result revealed that majority of the dispensed medications obtained were not labelled according to regulatory requirements. However, general practitioners complied better than community pharmacists in terms of labelling for: name of patient (p<0.001), details of supplier (p<0.001), dosage of medication (p=0.023), frequency to take medication (p=0.023), patient's reference number (p<0.001), date of supply (p<0.001), special instructions for medication (p=0.008), storage requirements (p=0.002), and indication for medication (p<0.001). Conversely, community pharmacists labelled dispensed medications with the words "Controlled Medicine" more often than did general practitioners (p<0.001). Although laws for labelling dispensed medicines are in place, most community pharmacists and general practitioners did not comply accordingly, thereby putting patients' safety at risks of medication errors.
  10. Kamarudin NA, Manan MM, Zulkifly HH, Neoh CF, Ali SM, Ming LC
    Asia Pac J Clin Nutr, 2016;25(1):53-61.
    PMID: 26965762 DOI: 10.6133/apjcn.2016.25.2.02
    This study aimed to investigate the effects of parenteral nutrition (PN) administration of amino acids (AA) on physical changes among very low birth weight infants in a local hospital setting in Malaysia. A retrospective study was carried out at a hospital in Malaysia. Records of neonates prescribed PN in the neonatal unit in 2012 were screened for eligibility. A total of 199 premature neonates received PN support in the year 2012 and, of these, 100 fulfilled the inclusion criteria. The median value of AA intake on the first day of PN was 2.00 (<28 weeks group); 1.00 (28-31 weeks group) and 0.75 (>31 weeks group). Neonates in the <28 weeks group were more likely to receive AA at an earlier time and higher initial dose compared with the other age groups. The study also found that there was no statistically significant difference in the dose of AA on the first day of PN administration and that the significant variations in nutritional parameters among the subjects did not lead to differences in physical outcomes. This study identified that when PN is provided in the local hospital setting, it is likely that the current nutritional practices are inadequate to achieve the standard growth recommendations. Our findings call for a need to optimize AA and calorie intake since growth restriction is a morbidity which will affect the infants' growth and development. Current prescriptions for PN in this hospital need to be reviewed in order to improve patient outcomes.
  11. Sejari N, Kamaruddin K, Ramasamy K, Lim SM, Neoh CF, Ming LC
    BMC Complement Altern Med, 2016 Jan 15;16:16.
    PMID: 26767971 DOI: 10.1186/s12906-016-0988-1
    BACKGROUND: The treatment of low back pain is very challenging due to the recurrent nature of the problem. It is believed that traditional Malay massage helps to relieve such back pain but there is a lack of scientific evidence to support both the practice of traditional Malay massage and the mechanism by which it exerts its effect. The aim of this study is to investigate the immediate effect of traditional Malay massage on the pain scale, substance P, inflammatory mediators, and functional outcomes among low back pain patients.

    METHODS: A non-blinded, randomised controlled trial will be conducted. A total of sixty-six patients who fulfil the inclusion criteria will be recruited. The participants will be randomly allocated into intervention (traditional Malay massage) and control (relaxation position) groups. Blood and saliva samples will be collected before and immediately after intervention. All collected samples will be analysed. The primary outcomes are the changes in the level of substance P in both saliva and blood samples between both groups. The secondary outcomes include the levels of inflammatory mediators [i.e. TNF-α, IL-1β, IL-8, monocyte chemotactic protein-1, IL-6 and IL-10, and the soluble form of the intercellular adhesion molecule], the pain intensity as measured by a visual analogous scale and functional outcomes using the Roland-Morris Disability Questionnaire.

    DISCUSSION: Massage is a type of physical therapy that has been proven to be potentially capable of reducing unpleasant pain sensations by a complex sensory response and chemical mediators such as substance P and various inflammatory mediators. Previous studies conducted using Thai, Swedish, or other forms of massage therapies, have showed inconsistent findings on substance P levels pre and post the interventions. Each massage genre varies in terms of massage and joint mobilization points, as well as the lumbar spinous process. Traditional Malay massage, known locally as "Urut Melayu", involves soft-tissue manipulation of the whole body applied using the hands and fingers. This massage technique combines both deep muscular tissue massage and spiritual rituals. This trial is expected to give rise to new knowledge underlying the mechanisms for pain and inflammation relief that are activated by traditional Malay massage.

    TRIAL REGISTRATION: Australian New Zealand Clinical Trials ACTRN12615000537550 .

  12. M Yatim H, Wong YY, Neoh CF, Lim SH, Hassali MA, Hong YH
    Public Health, 2019 Aug;173:5-8.
    PMID: 31207425 DOI: 10.1016/j.puhe.2019.04.020
    OBJECTIVE: The objective of this study was to explore factors influencing patients with hypertension to participating in a hypertension self-management education (HSME) programme and challenges of sustaining the learnt self-care practices.

    STUDY DESIGN: This was a qualitative study with focus group discussions.

    METHODS: Focus group discussions using a semistructured moderator guide were conducted among participants who had attended the HSME programme. Data were audio recorded, transcribed verbatim and analysed using a thematic analysis approach.

    RESULTS: Three focus groups involving 19 participants were conducted. Four major themes emerged from the data collected. Most participants enjoyed the group-based HSME sessions because sharing experiences with those having similar health problems can reduce their sense of isolation. However, the participants highlighted the difficulty in sustaining self-care practices in the presence of friends and family influences.

    CONCLUSION: A number of patient-, family- and community-level motivators and barriers to patients' hypertension self-management have been identified. Efforts to tailor behavioural interventions to sustain daily self-care activities during social and cultural events are imperative.
  13. Neoh CF, Snell G, Levvey B, Morrissey CO, Stewart K, Kong DC
    Int J Antimicrob Agents, 2014 Sep;44(3):194-202.
    PMID: 25123811 DOI: 10.1016/j.ijantimicag.2014.05.013
    Lung transplant (LTx) patients have an increased risk of developing invasive fungal infections (IFIs), particularly invasive aspergillosis. Rapid identification of the causative fungal pathogen, to allow for early administration of appropriate initial antifungal therapy, in LTx patients has been challenging due to the limited sensitivity and specificity of the diagnostic tools. Hence, there is increasing emphasis on antifungal prophylaxis in the LTx setting, given the high mortality rates and substantial cost of treating IFIs. Evidence for the optimal antifungal prophylactic approach in this setting, however, remains scant and inconsistent. This review will briefly discuss the epidemiology, risk factors, timing and clinical manifestations of fungal infections in LTx patients and will focus primarily on the available evidence related to the efficacy, safety and practicality of current prophylactic strategies in LTx recipients as well as challenges and gaps for future research.
  14. Neoh CF, Daniell M, Chen SC, Stewart K, Kong DC
    Int J Antimicrob Agents, 2014 Aug;44(2):96-104.
    PMID: 24933448 DOI: 10.1016/j.ijantimicag.2014.04.008
    Treatment of fungal keratitis remains challenging. To date, only the polyenes and azoles are commonly used topically in the management of fungal keratitis. Natamycin, a polyene, is the only antifungal eye drop that is commercially available; the remainder are prepared in-house and are used in an 'off-label' manner. Failure of medical treatment for fungal keratitis is common, hence there is a need for more effective topical antifungal therapy. To increase the antifungal eye drop armamentarium, it is important to investigate the utility of other classes of antifungal agents for topical use. Caspofungin, an echinocandin antifungal agent, could potentially be used to address the existing shortcomings. However, little is known about the usefulness of topically administered caspofungin. This review will briefly explore the incidence, epidemiology and antifungal treatment of fungal keratitis. It will focus primarily on evidence related to the efficacy, safety and practicality of using caspofungin eye drops in fungal keratitis.
  15. Neoh CF, Slavin M, Chen SC, Stewart K, Kong DC
    Int J Antimicrob Agents, 2014 Mar;43(3):207-14.
    PMID: 24670423 DOI: 10.1016/j.ijantimicag.2013.08.010
    Candidaemia and invasive candidiasis (IC) complicate modern medical therapy, contributing to high morbidity and mortality. Managing candidiasis is costly, with an additional healthcare expenditure of nearly US$300 million annually. Recent consensus guidelines have suggested the use of newer antifungal agents, such as echinocandins, for the treatment of candidaemia and IC owing to promising clinical outcomes compared with older-generation antifungal agents, but at higher drug acquisition and administration costs. Comprehensive cost-effectiveness data for echinocandins in treating candidaemia and IC remain relatively scant, underlining the need for more studies to incorporate robust economic analyses into clinical decisions. Assessment of the cost efficiencies of these expensive antifungal agents is essential for maximising health outcomes within the constraints of healthcare resources. This review will explore the epidemiology of candidaemia and IC in the context of clinical and economic aspects of the antifungal agents used to treat IC, especially the echinocandins. Standardising the outcome measure, methodology and reporting of results used in economic studies is central to ensure validity and comparability of the findings. Future studies comparing the economic advantages of all available antifungal treatment options and in the context of new diagnostic tools for fungal infections are anticipated.
  16. Saleh MS, Hong YH, Muda MR, Dali AF, Hassali MA, Khan TM, et al.
    Eur J Hosp Pharm, 2020 05;27(3):173-177.
    PMID: 32419939 DOI: 10.1136/ejhpharm-2018-001679
    Objective: The increase in antimicrobial resistance and the lack of new antimicrobial agents in drug discovery pipelines have called for global attention to mitigate the problem of antimicrobial misuse. While an antimicrobial stewardship (AMS) programme has been implemented in Malaysia, the perception and practices of public hospital pharmacists remain unknown. The aim of this study was to determine the perception and practices of Malaysian public hospital pharmacists towards the AMS programme in the state of Selangor, Malaysia.

    Methods: A cross-sectional study, using a validated 23-item self-administered questionnaire, was conducted among pharmacists from 11 public hospitals in the State of Selangor, Malaysia, from December 2016 to January 2017. All public hospital pharmacists (n=432) were invited to participate in the survey. A 5-point Likert scale was employed in the questionnaire; the perception section was scored from 1 (strongly disagree) to 5 (strongly agree) while the practice section was scored from 1 (never) to 5 (always). Both descriptive and inferential statistical analyses were used to analyse data.

    Results: Of the 432 pharmacists surveyed, 199 responded, giving a response rate of 46.0%. The majority of the respondents agreed (n=190, 95.5%) that the AMS programme improves patient care at their hospitals (median=5; IQR=1). Slightly less than half of the respondents indicated that a local antibiotic guideline was established in their hospitals (median=3, IQR=2.5), and had taken part in antimicrobial awareness campaigns to promote optimal use of antimicrobials in hospitals (median=3, IQR=1).

    Conclusions: Overall, the perception and practices of the surveyed hospital pharmacists towards AMS programme were positive. National antibiotic guidelines, which take into consideration local antimicrobial resistance patterns, should be used fully to improve antimicrobial usage and to reduce practice variation. Collaboration among healthcare professionals should be strengthened to minimise the unfavourable consequences of unintended use of antimicrobial agents while optimising clinical outcomes.

  17. Neoh CF, Long CM, Lim SM, Ramasamy K, Shahar S, Majeed ABA
    Geriatr Gerontol Int, 2017 Aug;17(8):1214-1220.
    PMID: 27489036 DOI: 10.1111/ggi.12849
    AIM: The present study assessed adherence, barriers, belief and awareness towards the use of medications among multi-ethnic community-dwelling older adults in Malaysia. Medication accessibility, expenditure and perceptions towards medicine labeling among older adults were also evaluated.

    METHODS: A cross-sectional study was carried out in the central region of Malaysia from January to August 2015. The older adults enrolled in an ongoing prospective community-based geriatric cohort study and prescribed with medicines were interviewed using a 50-item validated questionnaire.

    RESULTS: Of the 79 older adults interviewed, 39.2% had ≥4 prescribed medications. Most obtained their medications free-of-charge from government hospitals (66, 83.5%). Nearly half (35, 44.3%) had trouble reading labels for medicines that they had received. Chinese older adults (P = 0.001) and those with lower monthly household income (P 

  18. Neoh CF, Senol E, Kara A, Dinleyici EC, Turner SJ, Kong DCM
    Eur J Clin Microbiol Infect Dis, 2018 Sep;37(9):1777-1784.
    PMID: 29959610 DOI: 10.1007/s10096-018-3312-9
    Micafungin was reported to be non-inferior to liposomal amphotericin B (LAmB) in treating patients with candidaemia and invasive candidiasis (IC). The current study aimed to evaluate the economic impact of using micafungin versus LAmB for treatment of candidaemia and IC in Turkey. A decision analytic model, which depicted economic consequences upon administration of micafungin or LAmB for treating patients with candidaemia and IC in the Turkish hospitals, was constructed. Patients were switched to an alternative antifungal agent if initial treatment failed due to mycological persistence. All patients were followed up until treatment success or death. Outcome probabilities were obtained from published literature and cost inputs were derived from the latest Turkish resources. Expert panels were used to estimate data that were not available in the literature. Cost per patient treated for each intervention was then calculated. Sensitivity analyses including Monte Carlo simulation were performed. For treatment of candidaemia and IC, micafungin (€4809) was associated with higher total cost than LAmB (€4467), with an additional cost of €341 per treated patient. Cost of initial antifungal treatment was the major cost driver for both comparators. The model outcome was robust over a wide variation in input variables except for drug acquisition cost and duration of initial antifungal treatment with micafungin or LAmB. LAmB is cost-saving relative to micafungin for the treatment of candidaemia and IC from the Turkish hospital perspective, with variation in drug acquisition cost of the critical factor affecting the model outcome.
  19. Wan Ismail WNA, Jasmi N, Khan TM, Hong YH, Neoh CF
    Value Health Reg Issues, 2020 May;21:53-58.
    PMID: 31648147 DOI: 10.1016/j.vhri.2019.07.002
    BACKGROUND: Candidemia or invasive candidiasis (IC) is an increasingly common fungal infection and has been associated with high mortality, particularly among the immunocompromised and critically ill. Although several studies have been conducted to estimate the cost of managing candidemia and IC, quality assessment on the methodological aspects of these cost studies was not performed. To date, no systematic review focusing on the economic burden of candidemia and IC has ever been conducted.

    OBJECTIVES: The aim of this study was to systematically review the available evidence on the economic burden of candidemia and IC worldwide.

    METHODS: Databases (ie, PubMed, Scopus, EconLit, HEORO, and Ovid/Embase) were searched through June 2018. Two researchers independently assessed the quality of the eligible studies. Costs reported in the included studies were converted to 2016 USD using Campbell and Cochrane Economics Methods Group-the Evidence for Policy and Practice Information (CCEMG-EPPI)-Centre Cost Converter software.

    RESULTS: Eight articles were included in this systematic review. The mean total cost per patient with candidemia and IC ranged from $48 487 to $157 574, whereas the mean cost per hospitalization associated with candidemia and IC was from $10 216 to $37 715. All studies were from developed Western countries and reported only direct costs of candidemia and IC. Hospitalization was the main cost driver, contributing to more than half of the total costs.

    CONCLUSION: Quality cost studies on candidemia and IC based on standardized methods to provide informed decision making among healthcare authorities in implementing appropriate strategies is anticipated, in particular in developing countries.

  20. Abdul Rafar NR, Hong YH, Wu DB, Othman MF, Neoh CF
    Value Health Reg Issues, 2019 May;18:151-158.
    PMID: 31082795 DOI: 10.1016/j.vhri.2019.02.003
    OBJECTIVES: To systematically review and assess the quality of the economic evidence of adjuvant trastuzumab usage in early breast cancer in Asian countries.

    METHODS: Literature search was performed using 6 electronic databases (PubMed, Scopus, Ovid MEDLINE, EconLit, National Health Service Economic Evaluation Database, and ISI Web of Knowledge). The final search was performed in October 2018. All potential economic studies were then checked for eligibility. The reporting and methodological qualities of each study were independently assessed by 2 authors of this review, using the Consolidated Health Economic Evaluation Reporting Standards, Drummond, and Philips checklists. To compare the different currencies used in these studies, all costs were converted into US dollars (2016).

    RESULTS: A total of 6 studies were included; most of them were performed from the healthcare provider perspective. The incremental cost-effectiveness ratio for evaluation performed for a lifetime horizon were reported at $8573 and $20 816 per quality-adjusted life-year in 2 studies. The model outcome was generally sensitive to the changes in trastuzumab drug acquisition cost and discount rate, as well as its clinical effectiveness. For the quality assessment, all studies fulfilled more than 50% of the requirements in the Consolidated Health Economic Evaluation Reporting Standards, Drummond, and Philips checklists.

    CONCLUSIONS: Adjuvant trastuzumab therapy is considered a cost-effective option for early breast cancer in Asian countries including China, Iran, Japan, Singapore, and Taiwan. All studies were generally well conducted. Economic evaluations from the societal perspective, with inclusion of indirect and informal care costs, are warranted to facilitate informed decision making among policy makers.

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